/* bzflag
 * Copyright (c) 1993-2020 Tim Riker
 *
 * This package is free software;  you can redistribute it and/or
 * modify it under the terms of the license found in the file
 * named COPYING that should have accompanied this file.
 *
 * THIS PACKAGE IS PROVIDED ``AS IS'' AND WITHOUT ANY EXPRESS OR
 * IMPLIED WARRANTIES, INCLUDING, WITHOUT LIMITATION, THE IMPLIED
 * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE.
 */

#ifndef BZF_OGG_AUDIO_FILE_H
#define BZF_OGG_AUDIO_FILE_H

#include "AudioFile.h"
#include <vorbis/vorbisfile.h>
#include <vorbis/codec.h>

struct OAFInputBundle
{
    std::istream*     input;
    std::streamoff    length;
};

/** This class represents an Ogg Vorbis audio file. It implements the read()
    function from AudioFile. */
class OggAudioFile : public AudioFile
{
public:
    OggAudioFile(std::istream*);
    virtual ~OggAudioFile();

    /** This class returns the default extension of Ogg Vorbis files. */
    static std::string    getExtension();

    /** This function reads data from an Ogg Vorbis file. */
    virtual bool      read(void* buffer, int numFrames);

protected:
    OggVorbis_File    file;
    vorbis_info*      info;
    int           stream;
};

size_t  OAFRead(void* ptr, size_t size, size_t nmemb, void* datasource);
int OAFSeek(void* datasource, ogg_int64_t offset, int whence);
int OAFClose(void* datasource);
long    OAFTell(void* datasource);

#endif

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